1*2d9adf0dSmatt/* $NetBSD: atomic_swap_64.S,v 1.2 2015/03/27 06:42:37 matt Exp $ */ 26cf6fe02Smatt 36cf6fe02Smatt/*- 46cf6fe02Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc. 56cf6fe02Smatt * All rights reserved. 66cf6fe02Smatt * 76cf6fe02Smatt * This code is derived from software contributed to The NetBSD Foundation 86cf6fe02Smatt * by Matt Thomas of 3am Software Foundry. 96cf6fe02Smatt * 106cf6fe02Smatt * Redistribution and use in source and binary forms, with or without 116cf6fe02Smatt * modification, are permitted provided that the following conditions 126cf6fe02Smatt * are met: 136cf6fe02Smatt * 1. Redistributions of source code must retain the above copyright 146cf6fe02Smatt * notice, this list of conditions and the following disclaimer. 156cf6fe02Smatt * 2. Redistributions in binary form must reproduce the above copyright 166cf6fe02Smatt * notice, this list of conditions and the following disclaimer in the 176cf6fe02Smatt * documentation and/or other materials provided with the distribution. 186cf6fe02Smatt * 196cf6fe02Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 206cf6fe02Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 216cf6fe02Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 226cf6fe02Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 236cf6fe02Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 246cf6fe02Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 256cf6fe02Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 266cf6fe02Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 276cf6fe02Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 286cf6fe02Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 296cf6fe02Smatt * POSSIBILITY OF SUCH DAMAGE. 306cf6fe02Smatt */ 316cf6fe02Smatt 326cf6fe02Smatt#ifdef _LP64 336cf6fe02Smatt#include "atomic_op_asm.h" 346cf6fe02Smatt 356cf6fe02SmattENTRY_NP(_atomic_swap_64) 36*2d9adf0dSmatt amoswap.d.aq a0, a1, 0(a0) 376cf6fe02Smatt ret 386cf6fe02SmattEND(_atomic_swap_64) 396cf6fe02Smatt 406cf6fe02SmattATOMIC_OP_ALIAS(atomic_swap_64,_atomic_swap_64) 416cf6fe02SmattATOMIC_OP_ALIAS(atomic_swap_ulong,_atomic_swap_64) 426cf6fe02SmattATOMIC_OP_ALIAS(atomic_swap_ptr,_atomic_swap_64) 436cf6fe02SmattSTRONG_ALIAS(_atomic_swap_ulong,_atomic_swap_64) 446cf6fe02SmattSTRONG_ALIAS(_atomic_swap_ptr,_atomic_swap_64) 456cf6fe02SmattCRT_ALIAS(__sync_lock_test_and_set_8,_atomic_swap_64) 466cf6fe02SmattCRT_ALIAS(__atomic_exchange_8,_atomic_swap_64) 476cf6fe02Smatt 486cf6fe02SmattENTRY_NP(_atomic_release_64) 496cf6fe02Smatt amoswap.d.rl zero, zero, 0(a0) 506cf6fe02Smatt ret 516cf6fe02SmattEND(_atomic_release_64) 526cf6fe02SmattATOMIC_OP_ALIAS(atomic_release_64,_atomic_release_64) 536cf6fe02Smatt 546cf6fe02SmattCRT_ALIAS(__sync_lock_release_8,_atomic_release_64) 556cf6fe02Smatt#endif /* _LP64 */ 56